15157860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{983}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 42650496

約数和(自身を除く): 27492636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 983, 1028, 1285, 1542, 1966, 2570, 2949, 3084, 3855, 3932, 4915, 5140, 5898, 7710, 9830, 11796, 14745, 15420, 19660, 29490, 58980, 252631, 505262, 757893, 1010524, 1263155, 1515786, 2526310, 3031572, 3789465, 5052620, 7578930, 15157860]

約数ペア:

[(1, 15157860), (2, 7578930), (3, 5052620), (4, 3789465), (5, 3031572), (6, 2526310), (10, 1515786), (12, 1263155), (15, 1010524), (20, 757893), (30, 505262), (60, 252631), (257, 58980), (514, 29490), (771, 19660), (983, 15420), (1028, 14745), (1285, 11796), (1542, 9830), (1966, 7710), (2570, 5898), (2949, 5140), (3084, 4915), (3855, 3932)]